Car comparison

Mercedes-Benz C-class (W203) · Facelift 2004 C 350 V6vsMercedes-Benz C-class (W206) · Facelift 2026 C 250d

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Mercedes-Benz C-class (W203) · Facelift 2004

C 350 V6

272 hp3498 ccGasolineRWDAutomaticNaturally aspiratedSedan2005-2007
VS

Mercedes-Benz C-class (W206) · Facelift 2026

C 250d

200 hp1992 ccDieselAWDAutomaticTurbochargedSedan2026-present

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

Mercedes-Benz C-class (W203) Facelift 2004 C 350 V6

  • Quickest 0-100 km/h
    6.4 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    272 hp
    203 kW
  • Lightest
    1,495 kg
    3,296 lb
  • Best power-to-weight
    182 hp/t
    136 kW/t
    5.5 kg/hp
  • Largest trunk
    455 L
  • Best overall score
    66/100
  • Best performance score
    62/100

Specification comparison

Specification comparison
ModelMercedes-BenzC-class (W203)Facelift 2004C 350 V6Mercedes-BenzC-class (W206)Facelift 2026C 250d
Power
272hp203kW
200hp149kW
Torque
350Nm258lb-ft
440Nm325lb-ft
Curb weight
1,495kg3,296lb
1,775kg3,913lb
Gross weight
2,030kg4,475lb
2,400kg5,291lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
238 km/h
148 mph
To 99% top speed
61.8s99% target: 262 km/h / 163 mph
Calculated
65.7s99% target: 236 km/h / 146 mph
Calculated
0-100 km/h
6.4s
7.1s
0-200 km/h
18.9s
Calculated
25.2s
Calculated
0-60 mph
6.1s
Calculated
6.8s
Calculated
Fuel consumption
10L/100 km23.5mpg US28.2mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
Fuel consumption city
14.2L/100 km16.6mpg US19.9mpg UK
-
Fuel consumption highway
7.6L/100 km30.9mpg US37.2mpg UK
-
Quarter mile
14.3s
Calculated
15.0s
Calculated
Power-to-weight
182hp/t136kW/t83hp/1000 lb
Calculated
113hp/t84kW/t51hp/1000 lb
Calculated
Torque-to-weight
234Nm/t157lb-ft/ton
Calculated
248Nm/t166lb-ft/ton
Calculated
Estimated range
620km385mi
Calculated
1,269km789mi
Calculated
Displacement
3,498cc213cu in
1,992cc122cu in
Length
4,526mm178in
4,766mm188in
Width
1,728mm68in
1,820mm72in
Height
1,430mm56in
1,438mm57in
Wheelbase
2,715mm107in
2,865mm113in
Front track
1,493mm59in
1,582mm62in
Rear track
1,464mm58in
1,594mm63in
Trunk volume
455L
455L
Doors
4
4
Seats
5
5
Fuel tank
62L
66L

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Mercedes-Benz C-class (W203) Facelift 2004 C 350 V6Mercedes-Benz C-class (W206) Facelift 2026 C 250dPowerTorque
  • Mercedes-Benz C-class (W203) Facelift 2004 C 350 V6: Power / Torque
  • Mercedes-Benz C-class (W206) Facelift 2026 C 250d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzC-class (W203)Facelift 2004C 350 V66,000 rpm2,400-5,000 rpm6,250 rpm
Mercedes-BenzC-class (W206)Facelift 2026C 250d3,400-3,600 rpm1,800-2,800 rpm3,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzC-class (W203)Facelift 2004C 350 V6Mercedes-BenzC-class (W206)Facelift 2026C 250d
Acceleration checkpoints
0-60 mph
0-97 km/h
6.1 s
6.8 s
0-100 km/h
0-62 mph
6.4 s
7.1 s
0-200 km/h
0-124 mph
18.9 s
25.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
238 km/h
148 mph
Drag race simulation
60 ft
18 m
2.7 s
2.7 s
330 ft
101 m
6.6 s
6.8 s
1/8 mile
201 m
9.6 s
10.0 s
1000 ft
305 m
12.2 s
12.7 s
1/4 mile
402 m
14.3 s
15.0 s
Trap speed
1/4 mile
402 m
173 km/h
108 mph
160 km/h
100 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
272 hp
203 kW
Mercedes-BenzC-class (W206)Facelift 2026C 250d
200 hp
149 kW

Mercedes-Benz C-class (W203) Facelift 2004 C 350 V6 has 72 hp more than Mercedes-Benz C-class (W206) Facelift 2026 C 250d.

The biggest power difference is between Mercedes-Benz C-class (W206) Facelift 2026 C 250d and Mercedes-Benz C-class (W203) Facelift 2004 C 350 V6: 72 hp (54 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
350 Nm
258 lb-ft
Mercedes-BenzC-class (W206)Facelift 2026C 250d
440 Nm
325 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
1,495 kg
3,296 lb
Mercedes-BenzC-class (W206)Facelift 2026C 250d
1,775 kg
3,913 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzC-class (W206)Facelift 2026C 250d
238 km/h
148 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Mercedes-BenzC-class (W203)Facelift 2004C 350 V66.4 s
Mercedes-BenzC-class (W206)Facelift 2026C 250d7.1 s

The biggest 0-100 km/h difference is between Mercedes-Benz C-class (W203) Facelift 2004 C 350 V6 and Mercedes-Benz C-class (W206) Facelift 2026 C 250d: 0.7 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Mercedes-BenzC-class (W206)Facelift 2026C 250d
5.2 L/100 km
45.2 mpg US
54.3 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class (W206) Facelift 2026 C 250d and Mercedes-Benz C-class (W203) Facelift 2004 C 350 V6: 4.8 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
182 hp/t
136 kW/t
5.5 kg/hp
Mercedes-BenzC-class (W206)Facelift 2026C 250d
113 hp/t
84 kW/t
8.9 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
620 km
385 mi
Mercedes-BenzC-class (W206)Facelift 2026C 250d
1,269 km
789 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
272 hp
203 kW
6.4 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzC-class (W206)Facelift 2026C 250d
200 hp
149 kW
7.1 s
238 km/h
148 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
Power
272 hp
203 kW
0-100 km/h6.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,526 mm
178.2 in
Height
1,430 mm
56.3 in
Mercedes-BenzC-class (W206)Facelift 2026C 250d
Power
200 hp
149 kW
0-100 km/h7.1 s
Top speed
238 km/h
148 mph
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,766 mm
187.6 in
Height
1,438 mm
56.6 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
Power
272 hp
203 kW
0-100 km/h6.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Mercedes-BenzC-class (W206)Facelift 2026C 250d
Power
200 hp
149 kW
0-100 km/h7.1 s
Top speed
238 km/h
148 mph
5.2 L/100 km
45.2 mpg US
54.3 mpg UK

Mercedes-Benz C-class (W203) Facelift 2004 C 350 V6 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
6.4 s
Mercedes-BenzC-class (W206)Facelift 2026C 250d
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
7.1 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Mercedes-BenzC-class (W203)Facelift 2004C 350 V6
182 hp/t
136 kW/t
5.5 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Mercedes-BenzC-class (W206)Facelift 2026C 250d
113 hp/t
84 kW/t
8.9 kg/hp
5.2 L/100 km
45.2 mpg US
54.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzC-class (W203)Facelift 2004C 350 V6Mercedes-BenzC-class (W206)Facelift 2026C 250d
Power
272 hp
203 kW
200 hp
149 kW
Torque
350 Nm
258 lb-ft
440 Nm
325 lb-ft
Acceleration
6.4 s
7.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
238 km/h
148 mph
Lightness
1,495 kg
3,296 lb
1,775 kg
3,913 lb
Fuel consumption
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,526 mm
178.2 in
Height
1,430 mm
56.3 in
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,766 mm
187.6 in
Height
1,438 mm
56.6 in
Range score
620 km
385 mi
1,269 km
789 mi
Trunk score
455 L
16.1 cu ft
455 L
16.1 cu ft
Power-to-weight score
182 hp/t
136 kW/t
5.5 kg/hp
113 hp/t
84 kW/t
8.9 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleMercedes-Benz C-class (W203) Facelift 2004 C 350 V6Mercedes-Benz C-class (W206) Facelift 2026 C 250d
Consumption10 L/100 km23.5 mpg US28.2 mpg UK5.2 L/100 km45.2 mpg US54.3 mpg UK
Cost / 100 km17.50 LC100 km9.10 LC100 km
Cost / 100 mi28.16 LC100 mi14.65 LC100 mi
Annual fuel used1,500 L396 US gal330 UK gal780 L206 US gal172 UK gal
Annual fuel cost2,625 LC/year1,365 LC/year

Head-to-head comparisons

Mercedes-Benz C-class (W203) Facelift 2004 C 350 V6

  • Has 72 hp more
  • Is 280 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 27 km/h (17 mph) higher top speed
  • Has 69 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption

Mercedes-Benz C-class (W206) Facelift 2026 C 250d

  • Has 90 Nm more
  • Uses 4.8 L/100 km less fuel
  • Has 649 km (403 mi) more estimated range

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz C-class (W203) C 350 V6
Mercedes-Benz C-class (W206) C 250d
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Mercedes-Benz C-class (W203) · Facelift 2004 C 350 V6 vs Mercedes-Benz C-class (W206) · Facelift 2026 C 250d - car comparison - FastVsFaster