Alliance 4WD Dyno Offset Data 

Summary

James Sanchez

6/11/13
Nissan

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C VehLoss A (posttest)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

P225/50R18 Rigid 3875 1.50% 58 15.95 0.04 0.00 14.04 0.03 0.00

FE_bag CO2 EER (j2951) ASCR (j2951) Distance 

Roll (mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms Roll 

Dist Difference 

(m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1 -3.88% 2.59% 1.1 1.0 0.001 0.0 0.06

B2 1.02% -1.66% 0.0 0.2 0.002 0.0 0.06

B3 1.19% -1.46% 0.0 0.0 0.001 0.3 0.07

City_Comp 0.02% -0.67% 0.2 0.3 0.004 0.3 0.08

Hwy -3.78% 1.97% 0.5 1.2 0.002 0.0 0.04

US06C -3.72% 1.70% -0.5 -0.3 0.000 0.0 0.03

US06H -1.53% 0.03% 0.3 0.6 0.001 0.0 0.03

US06 -2.21% 0.61% 0.0 0.0 0.001 0.0 0.03

Color coding STDEV don't 

overlap

FE and CO2 Diff 

> 2%

(4WD - 2WD) 

> 1%

(4WD - 2WD) 

> 1% > 0 > 0.1 m
Honda Fit

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C

VehLoss A 

(post-test)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

185/55R16 Flexible 2875 1.60% 46 9.31 0.04 0.00 8.29 0.03 0.00

FE_bag CO2 EER (j2951) ASCR 

(j2951)

Distance 

Roll (mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms 

Roll Dist 

Difference (m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1 -1.83% 1.83% 0.0 -0.3 0.000 0.0 0.02

B2 -1.65% 1.66% -0.3 -0.5 0.000 4.8 0.03

B3 -1.93% 1.97% -0.2 -0.2 0.000 0.0 0.01

City_Comp -1.72% 1.78% -0.2 -0.4 0.000 4.8 0.04

Hwy -0.15% 0.19% -0.1 1.6 0.000 0.0 0.01

US06C -2.24% 2.30% 0.1 0.1 0.000 0.0 0.01

US06H -0.74% 0.89% 0.0 1.6 0.000 0.0 0.01

US06 -1.10% 1.34% 0.0 0.6 0.000 0.0 0.01

Color coding

STDEV 

don't 

overlap

FE and CO2 

Diff > 2%

(4WD -

2WD) > 1%

(4WD -

2WD) > 1% > 0 > 0.1 m
Honda Accord

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C

VehLoss A 

(post-test)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

P215/55R17 Flexible 3625 1.49% 54 10.08 0.07 0.00 8.74 0.05 0.00

FE_bag CO2 EER (j2951) ASCR 

(j2951)

Distance 

Roll (mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms Roll 

Dist Difference 

(m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1 -2.16% 2.23% -0.3 0.4 0.000 0.0 0.03

B2 -1.94% 1.99% 0.2 0.5 0.000 14.3 0.06

B3 -2.20% 2.24% 0.2 0.4 0.000 0.0 0.01

City_Comp -1.97% 2.10% 0.1 0.4 0.000 14.3 0.06

Hwy -0.99% 0.76% 0.2 2.3 0.000 0.0 0.01

US06C -3.17% 3.26% -0.5 -0.2 0.000 0.0 0.03

US06H -1.56% 135.07% 0.1 0.1 0.000 0.0 0.01

US06 -2.05% 2.12% -0.1 -0.1 0.000 0.0 0.03

Color coding

STDEV 

don't 

overlap

FE and CO2 

Diff > 2%

(4WD -

2WD) > 1%

(4WD -

2WD) > 1% > 0 > 0.1 m
Jeep Wrangler

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C

VehLoss A 

(post-test)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

LT255/75R17 N/A 4750 1.92% 91 33.42 0.36 0.00

FE_bag CO2 EER (j2951) ASCR 

(j2951)

Distance 

Roll (mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms Roll 

Dist Difference 

(m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1 -1.98% 2.08% 0.0 0.5 0.001 11.0

B2 -1.56% 1.67% -0.1 0.0 0.001 22.0

B3 -1.52% 1.41% -0.4 -1.1 0.001 8.5

City_Comp -1.68% 1.69% -0.2 -0.2 0.003 41.5

Hwy -2.59% 2.62% 0.2 -0.4 0.000 1.5

US06C 1.05% -1.13% -0.8 -0.5 0.000 18.3

US06H -3.19% 3.28% 0.3 3.3 0.000 5.0

US06 -2.09% 2.06% 0.0 0.7 0.001 23.3

Color coding

STDEV 

don't 

overlap

FE and CO2 

Diff > 2%

(4WD -

2WD) > 1%

(4WD -

2WD) > 1% > 0 > 0.1 m
Subaru Outback

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C

VehLoss A 

(post-test)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

P225/60 R17 Flexible 3875 1.29% 50 16.77 0.09 0.00 15.77 0.06 0.00

FE_bag CO2 EER (j2951) ASCR 

(j2951)

Distance 

Roll (mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms 

Roll Dist 

Difference (m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1 -2.46% 2.50% 0.0 -0.2

B2 -0.70% 0.70% 0.0 -0.2

B3 -1.35% 1.37% -0.4 -1.2

City_Comp -1.17% 1.19% -0.2 -0.5

Hwy -0.22% 0.23% 0.1 0.5

US06C -1.82% 1.75% 0.2 0.2

US06H -1.27% 1.24% 0.0 0.3

US06 -1.35% 1.30% 0.0 0.2

Color coding

STDEV 

don't 

overlap

FE and CO2 

Diff > 2%

(4WD -

2WD) > 1%

(4WD -

2WD) > 1% > 0 > 0.1 m
BMW

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C

VehLoss A 

(post-test)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

205/50R17 Rigid 3625 1.66% 60 85.90 0.03 0.00 -74.09 0.35 0.00

FE_bag CO2 EER (j2951) ASCR 

(j2951)

Distance Roll 

(mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms 

Roll Dist 

Difference (m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1

B2

B3

City_Comp -0.15% 0.07% 0.9 0.1 0.000 0.0 0.02

Hwy 0.28% -0.12% 1.3 -0.5

US06C

US06H

US06 2.19% #DIV/0! -46.9 -0.3

Color coding

STDEV 

don't 

overlap

FE and CO2 

Diff > 2%

(4WD -

2WD) > 1%

(4WD -

2WD) > 1% > 0 > 0.1 m
Ford Escape

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C

VehLoss A 

(post-test)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

P235/55R17 Flexible 3875 1.63% 63 10.83 0.09 0.00

FE_bag CO2 EER (j2951) ASCR 

(j2951)

Distance 

Roll (mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms Roll 

Dist Difference 

(m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1 -2.74% 2.54% 0.8 1.3

B2 -1.95% 1.92% 0.4 0.7

B3 -1.85% 1.87% 0.9 1.5

City_Comp -2.72% 2.04% 0.6 1.1

Hwy -1.73% 1.76% 0.2 -0.3

US06C -3.16% #DIV/0! -0.4 0.2

US06H -4.17% #DIV/0! -0.1 -2.8

US06 -3.84% 2.56% -0.1 -0.8

Color coding

STDEV 

don't 

overlap

FE and CO2 

Diff > 2%

(4WD -

2WD) > 1%

(4WD -

2WD) > 1% > 0 > 0.1 m
Mazda

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C

VehLoss A 

(post-test)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

P225/55R19 Flexible 3625 1.49% 54 10.24 0.07 0.00 9.61 0.05 0.00

FE_bag CO2 EER (j2951) ASCR 

(j2951)

Distance 

Roll (mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms 

Roll Dist 

Difference (m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1 -0.44% 0.44% -0.2 -0.6 0.000 2.0 0.01

B2 -0.53% 0.53% -0.1 -0.2 0.000 19.0 0.02

B3 -0.19% 0.21% 0.3 -0.4 0.000 0.0 0.01

City_Comp -0.41% 0.43% 0.0 -0.3 0.000 21.0 0.02

Hwy 0.40% -0.40% -0.1 -0.6 0.000 0.3 0.01

US06C 0.06% -0.16% 0.4 0.5 0.000 3.3 0.01

US06H 0.88% -0.93% -0.2 -1.9 0.000 0.0 0.01

US06 0.63% -0.68% 0.0 -0.3 0.000 3.3 0.01

Color coding

STDEV 

don't 

overlap

FE and CO2 

Diff > 2%

(4WD -

2WD) > 1%

(4WD -

2WD) > 1% > 0 > 0.1 m
Toyota 4Runner

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C

VehLoss A 

(post-test)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

P265/70R17 Rigid 5000 0.48% 24 18.76 0.05 0.00 16.26 0.09 0.00

FE_bag CO2 EER (j2951) ASCR 

(j2951)

Distance Roll 

(mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms 

Roll Dist 

Difference (m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1 -1.89% 2.01% 0.0 0.0

B2 -0.76% 0.84% 0.0 0.0

B3 -0.29% -39.10% 0.0 0.0

City_Comp -0.94% 0.98% 0.0 0.0

Hwy 0.17% -0.08% 0.0 0.0

US06C 1.42% -1.21% 0.0 0.0

US06H 0.69% -0.83% 0.0 0.0

US06 0.79% -0.97% 0.0 0.0

Color coding

STDEV 

don't 

overlap

FE and CO2 

Diff > 2%

(4WD -

2WD) > 1%

(4WD -

2WD) > 1% > 0 > 0.1 m
Mitsubishi Outlander

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C VehLoss A (posttest)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

225/55R18 Flexible 4000 2.10% 84 14.87 0.18 0.00

FE_bag CO2 EER (j2951) ASCR (j2951) Distance Roll 

(mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms Roll 

Dist Difference 

(m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1 0.13% -0.07% -0.1 0.4

B2 -0.59% 0.58% 0.3 0.6

B3 -1.24% 1.12% -0.1 0.2

City_Comp -0.60% 0.57% 0.1 0.6

Hwy -1.99% 1.94% -0.3 1.8

US06C -2.28% 2.11% 0.2 0.1

US06H -2.14% 2.45% -0.7 -0.5

US06 -2.66% 2.63% -0.5 -1.2

Color coding STDEV don't 

overlap

FE and CO2 Diff 

> 2%

(4WD -

2WD) > 1%

(4WD -

2WD) > 1% > 0 > 0.1 m
Impala

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C

VehLoss A 

(post-test)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

P235/70R16 Rigid 3875 1.45% 56 15.45 0.04 0.00 13.41 0.07 0.00

FE_bag CO2 EER (j2951) ASCR 

(j2951)

Distance 

Roll (mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms Roll 

Dist Difference 

(m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1 -0.81% 0.71% -0.3 -0.5 0.000 0.0 0.01

B2 -0.44% 0.43% -0.2 -0.6 0.000 0.0 0.01

B3 0.88% -0.91% -0.4 0.3 0.000 0.0 0.01

City_Comp -0.22% 0.17% -0.3 -0.3 0.000 0.0 0.01

Hwy 2.86% -2.88% 0.2 0.4 0.000 0.0 0.00

US06C 0.75% -0.72% -0.2 -0.5 0.000 0.0 0.01

US06H 1.37% -1.20% -0.1 0.6 0.000 0.0 0.01

US06 1.10% -1.06% -0.2 -0.1 0.000 0.0 0.01

Color coding

STDEV 

don't 

overlap

FE and CO2 

Diff > 2%

(4WD -

2WD) > 1%

(4WD -

2WD) > 1% > 0 > 0.1 m
Explorer

Tire Size 4WD Restraint 

(R or F) ETW NDA Inertia/ ETW (%)

DynoSet 

Inertia DynoSet A DynoSet B DynoSet C

VehLoss A 

(post-test)

VehLoss B 

(post-test)

VehLoss C 

(post-test)

2WD - 4WD 4WD - 2WD

P225/55R17 Rigid 5250 1.22% 64 15.66 0.19 0.00 13.53 0.04 0.00

FE_bag CO2 EER (j2951) ASCR 

(j2951)

Distance 

Roll (mi)

Roll Speed 

Excursions 

>0.1mph

Max 200ms Roll 

Dist Difference 

(m)

% Diff %Diff 4WD-2WD 4WD-2WD FR-RR Avg Avg

B1 -1.80% 1.82% 0.7 -0.5 0.000 0.0 0.01

B2 -1.15% 1.19% 1.0 0.0 0.000 0.0 0.01

B3 -0.12% 0.16% -0.1 -0.6 0.000 0.0 0.01

City_Comp -1.08% 1.08% 0.6 -0.3 0.000 0.0 0.01

Hwy 0.12% -0.10% -0.3 -1.6 0.000 0.0 0.01

US06C -1.68% 1.89% 0.3 0.0 0.000 0.0 0.01

US06H 0.12% -0.08% 0.5 -0.7 0.000 0.0 0.01

US06 -0.41% 0.51% 0.4 -0.3 0.000 0.0 0.01

Color coding

STDEV 

don't 

overlap

FE and CO2 

Diff > 2%

(4WD -

2WD) > 1%

(4WD -

2WD) > 1% > 0 > 0.1 m
Fuel Economy

Lab Nissan Honda Honda Chrysler Subaru BMW Ford Mazda Toyota Mitsubishi EPA EPA

Average of All 

Labs

Average of 

Manufactures 

Labs

Average of 

EPA

Average 

of 

Manufact

ures Avg. 

with EPA 

Avg.

Vehicle Infiniti 

G25 Honda Fit Honda Accord

Jeep 

Wrangler Outback 330i Escape CX-5 4Runner Outlander Impala Explorer

B1 -3.88% -1.83% -2.16% -1.98% -2.46% -2.74% -0.44% -1.89% 0.13% -0.81% -1.80% -1.8% -1.9% -1.3% -1.6%

B2 1.02% -1.65% -1.94% -1.56% -0.70% -1.95% -0.53% -0.76% -0.59% -0.44% -1.15% -0.9% -1.0% -0.8% -0.9%

B3 1.19% -1.93% -2.20% -1.52% -1.35% -1.85% -0.19% -0.29% -1.24% 0.88% -0.12% -0.8% -1.0% 0.4% -0.3%

City_Comp 0.02% -1.72% -1.97% -1.68% -1.17% -0.15% -2.72% -0.41% -0.94% -0.60% -0.22% -1.08% -1.1% -1.1% -0.7% -0.9%

Hwy -3.78% -0.15% -0.99% -2.59% -0.22% 0.28% -1.73% 0.40% 0.17% -1.99% 2.86% 0.12% -0.6% -1.1% 1.5% 0.2%

US06C -3.72% -2.24% -3.17% 1.05% -1.82% -3.16% 0.06% 1.42% -2.28% 0.75% -1.68% -1.3% -1.5% -0.5% -1.0%

US06H -1.53% -0.74% -1.56% -3.19% -1.27% -4.17% 0.88% 0.69% -2.14% 1.37% 0.12% -1.1% -1.5% 0.7% -0.4%

US06 -2.21% -1.10% -2.05% -2.09% -1.35% 2.19% -3.84% 0.63% 0.79% -2.66% 1.10% -0.41% -0.9% -1.2% 0.3% -0.4%

Average -1.1% -1.3% 0.0% -0.7%
Conclusions

• Fuel economy differences between dyno tests 

ranged between -4% and 3%.

• Average of all vehicles and cycles showed a -

1% difference, but EPA results showed no 

difference.

• Not all supporting data was provided for all 

vehicles.

• Results of test program are inconclusive.
CO2 (mg/mile)

Lab Nissan Honda Honda Chrysler Subaru BMW Ford Mazda Toyota EPA EPA

Vehicle Infiniti 

G25 Honda Fit Honda Accord

Jeep 

Wrangler Outback 330i Escape CX-5 4Runner Impala Explorer

% 

Difference 

Between 

2WD and 

4WD

B1 2.6% 1.8% 2.2% 2.1% 2.5% 2.5% 0.4% 2.0% 0.7% 1.8%

B2 -1.7% 1.7% 2.0% 1.7% 0.7% 1.9% 0.5% 0.8% 0.4% 1.2%

B3 -1.5% 2.0% 2.2% 1.4% 1.4% 1.9% 0.2% -39.1% -0.9% 0.2%

City_Com

p

-0.7% 1.8% 2.1% 1.7% 1.2% 0.1% 2.0% 0.4% 1.0% 0.2% 1.1%

Hwy 2.0% 0.2% 0.8% 2.6% 0.2% -0.1% 1.8% -0.4% -0.1% -2.9% -0.1%

US06C 1.7% 2.3% 3.3% -1.1% 1.7% -0.2% -1.2% -0.7% 1.9%

US06H 0.0% 0.9% 135.1% 3.3% 1.2% -0.9% -0.8% -1.2% -0.1%

US06 0.6% 1.3% 2.1% 2.1% 1.3% 2.6% -0.7% -1.0% -1.1% 0.5%
Road Load and Inertia

Lab Nissan Honda Honda Chrysler Subaru BMW Ford Mazda Toyota EPA EPA

Vehicle Infiniti G25 Honda Fit Honda Accord Jeep Wrangler Outback 330i Escape CX-5 4Runner Impala Explorer

Tire Size P225/50R18 185/55R16 P215/55R17 LT255/75R17 P225/60 R17 205/50R17 P235/55R17 P225/55R19 P265/70R17 P235/70R16 P225/55R17

4WD Restraint (R or F) Rigid Flexible Flexible N/A Flexible Rigid Flexible Flexible Rigid Rigid Rigid

ETW 3875 2875 3625 4750 3875 3625 3875 3625 5000 3875 5250

NDA Inetia/ ETW (%) 1.50% 1.60% 1.49% 1.92% 1.29% 1.66% 1.63% 1.49% 0.48% 1.45% 1.22%

DynoSet Inertia 58 46 54 91 50 60 63 54 24 56 64

2WD - 4WD

DynoSet A 15.95 9.31 10.08 33.42 16.77 85.90 10.83 10.24 18.76 15.45 15.66

DynoSet B 0.04 0.04 0.07 0.36 0.09 0.03 0.09 0.07 0.05 0.04 0.19

DynoSet C 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

4WD - 2WD

VehLoss A (post-test) 14.04 8.29 8.74 15.77 -74.09 9.61 16.26 13.41 13.53

VehLoss B (post-test) 0.03 0.03 0.05 0.06 0.35 0.05 0.09 0.07 0.04

VehLoss C (post-test) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Dyno Performance Checks

Lab Nissan Honda Honda Chrysler Subaru BMW Ford Mazda Toyota EPA EPA

Vehicle Infiniti 

G25 Honda Fit Honda Accord

Jeep 

Wrangler Outback 330i Escape CX-5 4Runner Impala Explorer

Distance 

Rear Roll 

(mi, .xxx)

B1 0.0010 0.0000 0.0000 -0.0009 0.0000 0.0001 0.0001

B2 0.0017 0.0000 0.0000 -0.0014 0.0000 0.0001 0.0001

B3 0.0010 0.0000 0.0000 -0.0006 0.0000 0.0001 0.0001

City_Comp 0.0037 0.0003 0.0000 -0.0030 0.0000 0.0000 0.0002 0.0003

Hwy 0.0017 0.0000 0.0000 -0.0001 0.0000 0.0003 0.0003

US06C 0.0005 0.0000 0.0000 -0.0005 0.0000 0.0000 0.0001

US06H 0.0008 0.0000 0.0000 -0.0002 0.0000 0.0001 0.0002

US06 0.0013 0.0000 0.0000 -0.0007 0.0000 0.0002 0.0003

Roll 

Speed 

Excursion

s 

>0.1mph

B1 0 0 0 11 2 0 0

B2 0 5 14 22 19 0 0

B3 0 0 0 9 0 0 0

City_Comp 0 5 14 42 0 21 0 0

Hwy 0 0 0 2 0 0 0

US06C 0 0 0 18 3 0 0

US06H 0 0 0 5 0 0 0

US06 0 0 0 23 3 0 0

Max 

200ms 

Roll Dist 

Differenc

e (m)

B1 0.06 0.02 0.03 0.01 0.01 0.01

B2 0.06 0.03 0.06 0.02 0.01 0.01

B3 0.07 0.01 0.01 0.01 0.01 0.01

City_Comp 0.08 0.04 0.06 0.02 0.01 0.01

Hwy 0.04 0.01 0.01 0.02 0.01 0.00 0.01

US06C 0.03 0.01 0.03 0.01 0.01 0.01

US06H 0.03 0.01 0.01 0.01 0.01 0.01

US06 0.03 0.01 0.03 0.01 0.01 0.01
J2951 Driver Performance Checks

Lab Nissan Honda Honda Chrysler Subaru BMW Ford Mazda Toyota EPA EPA

Vehicle Infiniti 

G25 Honda Fit Honda Accord

Jeep 

Wrangler Outback 330i Escape CX-5 4Runner Impala Explorer

4WD-2WD

EER (j2951)

B1 1.074 -0.020 -0.251 0.003 -0.034 0.761 -0.553 0.001 -0.325 0.696

B2 0.026 -0.282 0.236 -0.092 -0.005 0.398 -0.172 0.000 -0.244 0.967

B3 -0.041 -0.191 0.241 -0.419 -0.412 0.920 -0.377 -0.001 -0.386 -0.119

City_Comp 0.237 -0.159 0.070 -0.156 -0.191 0.862 0.603 -0.327 0.000 -0.303 0.576

Hwy 0.508 -0.055 0.219 0.250 0.067 1.281 0.151 -0.596 0.001 0.237 -0.278

US06C -0.513 0.104 -0.474 -0.834 0.152 -0.355 0.468 -0.001 -0.155 0.332

US06H 0.290 0.007 0.111 0.314 0.000 -0.051 -1.905 0.000 -0.147 0.478

US06 0.035 0.036 -0.071 0.022 0.000 -46.864 -0.123 -0.287 -0.005 -0.170 0.385

ASCR 

(j2951)

B1 1.002 -0.312 0.407 0.528 -0.215 1.275 -0.712 -0.005 -0.491 -0.470

B2 0.204 -0.501 0.454 0.018 -0.199 0.663 -0.397 0.000 -0.572 -0.024

B3 0.046 -0.168 0.399 -1.123 -1.183 1.488 -0.757 -0.006 0.279 -0.637

City_Comp 0.298 -0.359 0.426 -0.169 -0.472 0.132 1.050 -0.003 -0.317 -0.313

Hwy 1.232 1.569 2.324 -0.434 0.462 -0.483 -0.325 -0.675 -0.008 0.369 -1.589

US06C -0.280 0.149 -0.162 -0.454 0.185 0.151 0.254 -0.001 -0.465 -0.031

US06H 0.608 1.601 0.125 3.259 0.294 -2.824 -2.451 -0.019 0.638 -0.749

US06 0.002 0.610 -0.071 0.722 0.219 -0.262 -0.791 -0.914 -0.007 -0.116 -0.258

IWR (j2951, 

% of 

scheduled)

B1 -0.005 -0.004 -0.002 -0.005 -0.010

B2 -0.004 -0.003 0.000 -0.005 -0.006

B3 -0.005 -0.004 -0.013 0.007 -0.002

City_Comp -0.005 -0.004

Hwy -0.003 -0.004 0.003 0.347 0.002 -0.016

US06C -0.003 -0.002 -0.004 -0.002 0.001

US06H -0.004 -0.004 0.004 0.011 -0.015

US06 -0.004 -0.004 -0.001 0.593 0.004 -0.008
J2951 vs Fuel Economy

Lab Nissan Honda Honda Chrysler Subaru BMW Ford Mazda Toyota EPA EPA

Vehicle Infiniti G25 Honda Fit Honda 

Accord

Jeep 

Wrangler Outback 330i Escape CX-5 4Runner Impala Explorer

4WD-2WD

EER (j2951)

City_Comp 0.237 -0.159 0.070 -0.156 -0.191 0.862 0.603 -0.327 0.000 -0.303 0.576

Hwy 0.508 -0.055 0.219 0.250 0.067 1.281 0.151 -0.596 0.001 0.237 -0.278

US06 0.035 0.036 -0.071 0.022 0.000 -46.864 -0.123 -0.287 -0.005 -0.170 0.385

ASCR (j2951)

City_Comp 0.298 -0.359 0.426 -0.169 -0.472 0.132 1.050 -0.003 -0.317 -0.313

Hwy 1.232 1.569 2.324 -0.434 0.462 -0.483 -0.325 -0.675 -0.008 0.369 -1.589

US06 0.002 0.610 -0.071 0.722 0.219 -0.262 -0.791 -0.914 -0.007 -0.116 -0.258

IWR (j2951, 

% of 

scheduled)

City_Comp -0.005 -0.004

Hwy -0.003 -0.004 0.003 0.347 0.002 -0.016

US06 -0.004 -0.004 -0.001 0.593 0.004 -0.008

Lab Nissan Honda Honda Chrysler Subaru BMW Ford Mazda Toyota EPA EPA

Vehicle Infiniti 

G25 Honda Fit Honda Accord

Jeep 

Wrangler Outback 330i Escape CX-5 4Runner Impala Explorer

City_Com

p

0.02% -1.72% -1.97% -1.68% -1.17% -0.15% -2.72% -0.41% -0.94% -0.22% -1.08%

Hwy -3.78% -0.15% -0.99% -2.59% -0.22% 0.28% -1.73% 0.40% 0.17% 2.86% 0.12%

US06 -2.21% -1.10% -2.05% -2.09% -1.35% 2.19% -3.84% 0.63% 0.79% 1.10% -0.41%
EER
ASCR
IWR